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Finding the Third Proportional to 18,488,608.50 and 39,450,507

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Solution

The third proportional to 18,488,608.50 and 39,450,507 is: 84,178,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,608.50 : 39,450,507 = 39,450,507 : x
  2. Step 2: Convert to fraction form
    18,488,608.50/39,450,507 = 39,450,507/x
  3. Step 3: Cross multiply
    18,488,608.50x = 39,450,507 × 39,450,507
  4. Step 4: Simplify right side
    18,488,608.50x = 1,556,342,502,557,049
  5. Step 5: Solve for x
    x = 1,556,342,502,557,049/18,488,608.50
  6. Step 6: Final answer
    x = 84,178,455.21

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.